% The root of Chebyshev Polynomial Set
% Note: index need to be greater than 1.
function Polynomial_Root = Chebyshev_Polynomial_Root(Num_Root)
	Polynomial_Root = zeros(Num_Root,1);
	for i = 1 : Num_Root
		Polynomial_Root(i) = cos((2*(Num_Root-i)+1)/(2*Num_Root)*pi);
	end
% 	  Polynomial_Root = [ 0;-0.994521895368324;0.994521895368175;0.951056516295346;-0.951056516295063;
% 							 0.866025403784300;-0.866025403784488;0.743144825477436;-0.743144825477369;
% 							 0.587785252292474;-0.587785252292486;0.406736643075797;-0.406736643075797;
% 							 0.207911690817759;-0.207911690817760;];
end